Weird science question regarding beer?

Right first off this is a proper question. I have no idea how it happened.

I just realised I'd left a few corona's in the freezer last night. Pulled the middle tray out and all 3 in there were frozen solid. Ok no problem, my own fault. I then opened the top draw and JACKPOT! One un frozen super chilled bottle.

Popped him open and slid a slice of lime in. Walked back to the living room and tried to take a sip but to my eye's amazement the bottle was slowly freezing top to bottom. Now I have a frozen solid bottle complete with lime in my hand?

As a guess, what phase (solid, liquid, gas) something is in depends on temperature and pressure. The beer was at a high enough pressure that even though it was at a low temperature, it wasn't frozen. When you opened it, you lowered the pressure (which is why it hisses when you open it, gas escaping), and so put it at a pressure where it would be solid given the temperature.

MightyMouse wrote:
As a guess, what phase (solid, liquid, gas) something is in depends on temperature and pressure. The beer was at a high enough pressure that even though it was at a low temperature, it wasn't frozen. When you opened it, you lowered the pressure (which is why it hisses when you open it, gas escaping), and so put it at a pressure where it would be solid given the temperature.